NPPES file of Aug 9, 2026

Michael W. Johnsen, M.D.

Anesthesiology Physician · Albuquerque, NM

Michael W. Johnsen, M.D. is an anesthesiology physician with a practice address in Albuquerque, New Mexico, and NPI 1437123361, issued on Feb 15, 2006. Check the license (New Mexico 2001-223, as entered in NPPES) on the New Mexico Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437123361
Name
Michael W. Johnsen
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
2001-223 NM
S1831 TX
Self-reported in NPPES; status is on the state search
Practice location
4401 Masthead St NE, Albuquerque, NM 87109
Phone
(505) 243-7729
Enumerated
Feb 15, 2006
Record last updated
Jun 16, 2022
Fax
(505) 243-4804
Medicaid ID
E1113 NM
Medicare enrollment
Enrolled (PECOS I20190826000535); accepts Medicare assignment
Medical or professional school
University Of New Mexico School Of Medicine, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4401 Masthead St NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Clare Amato, CRNACertified Registered Nurse Anesthetist1235406869
  2. Michael Anderson, CRNACertified Registered Nurse Anesthetist1073525945
  3. Steven Bailey, MDAnesthesiology Physician1720013709
  4. Finley Beckham, CRNACertified Registered Nurse Anesthetist1891014817
  5. Kimberly Beckham, PHARM. D.Pharmacist1285922278
  6. Gerold Blazek, MDAnesthesiology Physician1467452664

Verify Michael W. Johnsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Mexico Medical Board
    Search for license 2001-223
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Mexico license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. EL Paso County Hospital DistrictEl Paso, TX
  2. Texas Tech University Health Sciences Center EL PasoEl Paso, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael W. Johnsen among 269 anesthesiology physician records in New Mexico

Michael W. Johnsen, M.D. is one of 269 anesthesiology physician records with a practice address in New Mexico. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 41% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated1997 · median 2004 among the 147 with a school on file
  • Record last updated2022 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New Mexico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in New Mexico

There are 269 anesthesiology physician records in New Mexico.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Steven Bailey, MDAlbuquerque, NM 871091720013709
  2. Gerold Blazek, MDAlbuquerque, NM 871091467452664
  3. Douglas Brown, M.D.Albuquerque, NM 871091164415956
  4. Jon Farley, M.D.Albuquerque, NM 871091144216128
  5. Joseph Jaros, M.D.Albuquerque, NM 871091629069687
  6. Nancy Klein, CRNAAlbuquerque, NM 871091093704066
  7. Elliot Marcus, MDAlbuquerque, NM 871091104881036
  8. Stephen Margel, D.O.Albuquerque, NM 871091740254663

Common questions

What is Michael W. Johnsen, M.D.'s NPI number?

Michael W. Johnsen, M.D.'s National Provider Identifier (NPI) is 1437123361, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael W. Johnsen, M.D. located?

The NPPES record lists a practice address at 4401 Masthead St NE, Albuquerque, NM, 87109. Phone: (505) 243-7729. Providers update this record themselves, so call before visiting.

How can I verify Michael W. Johnsen, M.D.'s license?

NPPES lists New Mexico license number 2001-223, as entered by the provider. Search the New Mexico Medical Board at https://www.nmmb.state.nm.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.